Emily Ratajkowski puts on an ab-baring display in cropped sweater and edgy jacket as she braves chilly NYC

Emily Ratajkowski keeps it cozy in a brown velour sweatsuit as she takes her dog Colombo for a walk in NYC

Emily Ratajkowski embraces the holiday season as she takes her son Sylvester, two, to meet Santa Claus

Emily Ratajkowski looks studious in prescription glasses as she adds a fur-trimmed belted coat while sipping an iced coffee in New York City